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Finding the Fourth Proportional to 8,848.32, 12,212.28 and 7,354.32

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Solution

The fourth proportional to 8,848.32, 12,212.28 and 7,354.32 is: 10,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.32 : 12,212.28 = 7,354.32 : x
  2. Step 2: Convert to fraction form
    8,848.32/12,212.28 = 7,354.32/x
  3. Step 3: Cross multiply
    8,848.32x = 12,212.28 × 7,354.32
  4. Step 4: Simplify right side
    8,848.32x = 89,813,015.05
  5. Step 5: Solve for x
    x = 89,813,015.05/8,848.32
  6. Step 6: Final answer
    x = 10,150.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.